EP0796999A3 - Pompe à déplacement variable et son système de commande à distance - Google Patents

Pompe à déplacement variable et son système de commande à distance Download PDF

Info

Publication number
EP0796999A3
EP0796999A3 EP97103774A EP97103774A EP0796999A3 EP 0796999 A3 EP0796999 A3 EP 0796999A3 EP 97103774 A EP97103774 A EP 97103774A EP 97103774 A EP97103774 A EP 97103774A EP 0796999 A3 EP0796999 A3 EP 0796999A3
Authority
EP
European Patent Office
Prior art keywords
valve
piston
housing
control system
variable displacement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP97103774A
Other languages
German (de)
English (en)
Other versions
EP0796999B1 (fr
EP0796999A2 (fr
Inventor
Michael Joseph Voigt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eaton Corp
Original Assignee
Eaton Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eaton Corp filed Critical Eaton Corp
Publication of EP0796999A2 publication Critical patent/EP0796999A2/fr
Publication of EP0796999A3 publication Critical patent/EP0796999A3/fr
Application granted granted Critical
Publication of EP0796999B1 publication Critical patent/EP0796999B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/002—Hydraulic systems to change the pump delivery
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/26—Control
    • F04B1/30—Control of machines or pumps with rotary cylinder blocks
    • F04B1/32—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
    • F04B1/324—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block by changing the inclination of the swash plate

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
EP97103774A 1996-03-19 1997-03-06 Pompe à déplacement variable et son système de commande à distance Expired - Lifetime EP0796999B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US61814996A 1996-03-19 1996-03-19
US618149 1996-03-19

Publications (3)

Publication Number Publication Date
EP0796999A2 EP0796999A2 (fr) 1997-09-24
EP0796999A3 true EP0796999A3 (fr) 1998-11-25
EP0796999B1 EP0796999B1 (fr) 2001-09-26

Family

ID=24476515

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97103774A Expired - Lifetime EP0796999B1 (fr) 1996-03-19 1997-03-06 Pompe à déplacement variable et son système de commande à distance

Country Status (4)

Country Link
US (1) US6030182A (fr)
EP (1) EP0796999B1 (fr)
JP (1) JP4038701B2 (fr)
DE (1) DE69706905T2 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6158969A (en) * 1999-09-16 2000-12-12 Eaton Corporation Hydrostatic pump and disable control therefor
US7086225B2 (en) * 2004-02-11 2006-08-08 Haldex Hydraulics Corporation Control valve supply for rotary hydraulic machine
US8635867B2 (en) * 2004-07-15 2014-01-28 Parker-Hannifin Corporation Hydrostatic transmission
US20080120974A1 (en) * 2006-11-24 2008-05-29 Parker-Hannifin Corporation Integrated hydrostatic transmission for left and right wheel drive
US20070137918A1 (en) * 2005-11-23 2007-06-21 Xingen Dong Mounting of hydrostatic transmission for riding lawn mower
WO2009018934A1 (fr) * 2007-08-07 2009-02-12 Robert Bosch Gmbh Machine hydrostatique avec dispositif de réglage avec élément de retour pour la commande d'une soupape de réglage
US8469677B1 (en) * 2007-10-01 2013-06-25 Sauer-Danfoss Inc. Check valve pump with electric bypass valve
US8857171B2 (en) * 2010-02-11 2014-10-14 Parker-Hannifin Corporation Integrated hydrostatic transmission
WO2011143172A1 (fr) 2010-05-11 2011-11-17 Thorium Power, Inc. Assemblage de combustible à noyau d'alliage de combustibles métalliques et son procédé de fabrication
JP2013530345A (ja) * 2010-07-08 2013-07-25 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング ハイドロリック式のダブルアキシャルピストン機械
DE102012111300A1 (de) * 2012-11-22 2014-05-22 Linde Hydraulics Gmbh & Co. Kg Hydrostatisches Triebwerk als hydraulischer Starter eines Verbrennungsmotors
US9096268B2 (en) 2013-05-30 2015-08-04 Cnh Industrial America Llc Control group mounting relative to controlled hardware
CN105317671B (zh) * 2014-05-30 2017-09-29 佛山市科达液压机械有限公司 A4vso泵hd阀用新型阀芯组结构
CN106050635B (zh) * 2016-08-16 2017-09-15 南京英达公路养护车制造有限公司 一种手动变量泵控制系统
DE102016226039B3 (de) * 2016-12-22 2018-02-08 Danfoss Power Solutions Gmbh & Co. Ohg Verdrängungssteueranordnung für eine axialkolbenpumpe
DE102021205359A1 (de) * 2021-05-26 2022-12-01 Danfoss Power Solutions Gmbh & Co. Ohg Neutraleinstellvorrichtung für eine einstellbare Hydraulikeinheit

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3662495A (en) * 1970-09-17 1972-05-16 Lucas Industries Ltd Hydrostatic transmission systems
US3788773A (en) * 1971-08-20 1974-01-29 Bosch Gmbh Robert Hydraulic control and regulating apparatus for an adjustable pump
DE2728123A1 (de) * 1976-06-23 1978-01-05 Sakari Pinomaeki Anordnung zur regelung einer hydraulischen pumpe bei einer arbeitsmaschine
US4091617A (en) * 1977-05-11 1978-05-30 Eaton Corporation Hydraulic controller
US4461147A (en) * 1981-10-27 1984-07-24 Sundstrand Corporation Variable displacement hydraulic control with override
US4478136A (en) * 1981-08-21 1984-10-23 Robert Bosch Gmbh Electrohydraulic control arrangement for hydrostatic machine
US4942934A (en) * 1988-03-17 1990-07-24 Deere & Company Belted crawler having auxiliary drive wheel

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US31657A (en) * 1861-03-12 Improvement in aquaria
US3152445A (en) * 1963-04-12 1964-10-13 New York Air Brake Co Hydrostatic transmission
US3463087A (en) * 1967-10-16 1969-08-26 Towmotor Corp Control response valve for hydrostatic transmission
US3817150A (en) * 1972-12-29 1974-06-18 Sli Ind Hydraulic actuator with mechanical feedback
DE2505780C2 (de) * 1975-02-12 1986-03-06 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zum Regeln wenigstens einer verstellbaren Pumpe
US4050247A (en) * 1976-10-07 1977-09-27 Eaton Corporation Control valve for variable displacement pump or motor
US4204457A (en) * 1976-12-30 1980-05-27 Parker-Hannifin Corporation Device for controlling hydraulic motors
US4183419A (en) * 1978-05-30 1980-01-15 Deere & Company Hydrostatic front wheel drive system
US4274257A (en) * 1979-01-08 1981-06-23 Eaton Corporation Anti-stall controller
DE3040321C2 (de) * 1980-10-25 1986-06-12 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Inchventil für einen hydrostatischen Fahrantrieb

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3662495A (en) * 1970-09-17 1972-05-16 Lucas Industries Ltd Hydrostatic transmission systems
US3788773A (en) * 1971-08-20 1974-01-29 Bosch Gmbh Robert Hydraulic control and regulating apparatus for an adjustable pump
DE2728123A1 (de) * 1976-06-23 1978-01-05 Sakari Pinomaeki Anordnung zur regelung einer hydraulischen pumpe bei einer arbeitsmaschine
US4091617A (en) * 1977-05-11 1978-05-30 Eaton Corporation Hydraulic controller
US4478136A (en) * 1981-08-21 1984-10-23 Robert Bosch Gmbh Electrohydraulic control arrangement for hydrostatic machine
US4461147A (en) * 1981-10-27 1984-07-24 Sundstrand Corporation Variable displacement hydraulic control with override
US4942934A (en) * 1988-03-17 1990-07-24 Deere & Company Belted crawler having auxiliary drive wheel

Also Published As

Publication number Publication date
DE69706905T2 (de) 2002-04-04
EP0796999B1 (fr) 2001-09-26
JPH102279A (ja) 1998-01-06
JP4038701B2 (ja) 2008-01-30
DE69706905D1 (de) 2001-10-31
US6030182A (en) 2000-02-29
EP0796999A2 (fr) 1997-09-24

Similar Documents

Publication Publication Date Title
EP0796999A3 (fr) Pompe à déplacement variable et son système de commande à distance
US5544948A (en) Service and emergency brake system having a master cylinder with a travel simulator gas-filled spring
US6164068A (en) Variable pressure hydraulic systems
EP0953766A3 (fr) Soupape de contrôle
EP0819869A3 (fr) Module de commande
US4875740A (en) Braking device for use in a motor vehicle
KR960018487A (ko) 유압 실린더
JPH01229106A (ja) 制御弁
EP0761966A3 (fr) Contrôle de débit réglable pour une pompe volumétrique
US4709619A (en) Proportional magnet
ES2161585A1 (es) Sistema activo de accionamiento
EP1186778A3 (fr) Soupape de commande d'un compresseur à capacité variable
CA2049394A1 (fr) Boite de vitesse
US4568292A (en) Hydraulic assistance device for use in a steering system
CA2206726A1 (fr) Pompe fond de trou automatique et methode d'utilisation de ladite pompe
CA1088373A (fr) Regulateur pour pompe ou moteur volumetrique
US5821671A (en) Actuating device, preferably for vehicles, especially for motor vehicles
EP0403210A3 (fr) Système d'entraínement hydrostatique
EP0769437A3 (fr) Unité de régulation de la pression du fluide de freinage
EP1306552A3 (fr) Dispositif de commande électrohydraulique d'une pompe
EP0984214A4 (fr) Soupape de regulation de pression proportionnelle
EP0608415A4 (fr) Circuit hydraulique ayant une soupape de compensation de la pression.
CA2241660A1 (fr) Valve a commande electrique a haut debit et de faible puissance
KR940007315B1 (ko) 급속흡입과 전행정이 이루어지는 유압식 브레이크 배력장치
US4790729A (en) Brake equipment for a hydraulic vehicle brake system

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB IT

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE FR GB IT

17P Request for examination filed

Effective date: 19990304

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

17Q First examination report despatched

Effective date: 20001107

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT

REF Corresponds to:

Ref document number: 69706905

Country of ref document: DE

Date of ref document: 20011031

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20160311

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20160224

Year of fee payment: 20

Ref country code: FR

Payment date: 20160223

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20160324

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 69706905

Country of ref document: DE

REG Reference to a national code

Ref country code: GB

Ref legal event code: PE20

Expiry date: 20170305

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20170305